Re: Bug#618486: linux-image-2.6.38-rc8-686: please set CONFIG_SCHED_AUTOGROUP

[Cesare Leonardi <celeonar@gmail.com>]

On 16/03/2011 04:12, Ben Hutchings wrote:
> > This is very usefull for desktop users feature of this release:
> >
> > http://kernelnewbies.org/Linux_2_6_38#head-
> > 59575a6aeafa38490226a560ee02de89829a5b20
> >
> > Please set it (perhaps, "NO" by default).
>
> Yes, that makes sense.  I'll enable the config option but patch the
> source to make it off by default.  There is a sysctl to turn it on,
> kernel.sched_autogroup_enabled.

Out of curiosity.
Why you choosed to disable this options by default? Upstream seems to 
depict it as a big win in term of desktop responsiveness. Are there 
performance problems on some contexts? Known problems in specific areas?

Thanks.

Cesare.